<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <form method="post" action="http://localhost:8100" enctype="multipart/form-data">

    选择文件:
        <input type="file" name="f1" multiple /> input 必须设置 name 属性，否则数据无法发送<br/>
<br/>
        标题：<input type="text" name="title"/><br/><br/><br/>

    <button type="submit" id="btn-0" >上 传</button>

</form>
</body>
</html>
</body>
</html>